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Effect of aging on renal blood flow velocity during static exercise



Effect of aging on renal blood flow velocity during static exercise



American Journal of Physiology. Heart and Circulatory Physiology 287(2): H735-H740



During exercise, activation of the sympathetic nervous system causes reflex renal vasoconstriction. The effects of aging on this reflex are poorly understood. This study evaluated the effects of age on renal vasoconstrictor responses to handgrip. Seven older (65 +/- 9 yr) and nine younger (25 +/- 2 yr) subjects were studied. Beat-by-beat analyses of changes in renal blood flow velocity (RBV; duplex ultrasound) were performed during two handgrip paradigms.

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Accession: 017870577

Download citation: RISBibTeXText

PMID: 15016634

DOI: 10.1152/ajpheart.00959.2003



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